diff --git a/service/native/TrafficControllerTest.cpp b/service/native/TrafficControllerTest.cpp
index 1aca633..0b4550e 100644
--- a/service/native/TrafficControllerTest.cpp
+++ b/service/native/TrafficControllerTest.cpp
@@ -215,7 +215,7 @@
         checkEachUidValue(uids, match);
     }
 
-    void expectUidOwnerMapValues(const std::vector<uint32_t>& appUids, uint8_t expectedRule,
+    void expectUidOwnerMapValues(const std::vector<uint32_t>& appUids, uint32_t expectedRule,
                                  uint32_t expectedIif) {
         for (uint32_t uid : appUids) {
             Result<UidOwnerValue> value = mFakeUidOwnerMap.readValue(uid);
@@ -389,7 +389,6 @@
     checkUidOwnerRuleForChain(POWERSAVE, POWERSAVE_MATCH);
     checkUidOwnerRuleForChain(RESTRICTED, RESTRICTED_MATCH);
     checkUidOwnerRuleForChain(LOW_POWER_STANDBY, LOW_POWER_STANDBY_MATCH);
-    checkUidOwnerRuleForChain(LOCKDOWN, LOCKDOWN_VPN_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_1, OEM_DENY_1_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_2, OEM_DENY_2_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_3, OEM_DENY_3_MATCH);
@@ -521,6 +520,21 @@
     expectMapEmpty(mFakeUidOwnerMap);
 }
 
+TEST_F(TrafficControllerTest, TestUpdateUidLockdownRule) {
+    // Add Lockdown rules
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1000, true /* add */)));
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1001, true /* add */)));
+    expectUidOwnerMapValues({1000, 1001}, LOCKDOWN_VPN_MATCH, 0);
+
+    // Remove one of Lockdown rules
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1000, false /* add */)));
+    expectUidOwnerMapValues({1001}, LOCKDOWN_VPN_MATCH, 0);
+
+    // Remove remaining Lockdown rule
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1001, false /* add */)));
+    expectMapEmpty(mFakeUidOwnerMap);
+}
+
 TEST_F(TrafficControllerTest, TestUidInterfaceFilteringRulesCoexistWithExistingMatches) {
     // Set up existing PENALTY_BOX_MATCH rules
     ASSERT_TRUE(isOk(updateUidOwnerMaps({1000, 1001, 10012}, PENALTY_BOX_MATCH,
@@ -802,7 +816,6 @@
             {POWERSAVE, ALLOWLIST},
             {RESTRICTED, ALLOWLIST},
             {LOW_POWER_STANDBY, ALLOWLIST},
-            {LOCKDOWN, DENYLIST},
             {OEM_DENY_1, DENYLIST},
             {OEM_DENY_2, DENYLIST},
             {INVALID_CHAIN, DENYLIST},